Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions
Section: Chapter Questions
Problem 96IL: Insoluble PbBr2(s) precipitates when solutions of Pb(NO3)2(aq) and NaBr(aq) are mixed. Pb(NO3)2(aq)...
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Question
![Given the reaction and AH shown below
Cas)
+ 2 HCl(aq) →
H2(g) + CaCl2(aq) AH = -62.0 kJ/mol Ca
An unknown amount of Ca is reacted with 200 mL of 2.00 M HCI (an excess) in a calorimeter. The
temperature increases from 25.00 to 29.26°C. How many g of Ca reacted? Assume all solutions
have d= 1.00 g/mL and specific heat = 4.18 J/g°C
O none of the answers are correct
O 4.60 g Ca
O 3.45 g Ca
O 58 Ca](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F464fe16a-00d5-4182-8379-61bd4b8bbe02%2Fa89147eb-54b9-4233-a570-60bd24ae42d2%2Fhxe5wh_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Given the reaction and AH shown below
Cas)
+ 2 HCl(aq) →
H2(g) + CaCl2(aq) AH = -62.0 kJ/mol Ca
An unknown amount of Ca is reacted with 200 mL of 2.00 M HCI (an excess) in a calorimeter. The
temperature increases from 25.00 to 29.26°C. How many g of Ca reacted? Assume all solutions
have d= 1.00 g/mL and specific heat = 4.18 J/g°C
O none of the answers are correct
O 4.60 g Ca
O 3.45 g Ca
O 58 Ca
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